KTNNKG soft start switch for motor tools ,it reaches to its full speed in 3 seconds after being turned on. Soft start outlet provides a slow voltage and the motor starts smoothly, it protects the motor better and extend its working life. Remote control: Press "ON/OFF" button to turn on or off the switch,to stop the tool or light. The "AUTO" button on remote is "time delay off" function,tool will be turned off in 5 seconds if we press it. Ideal for dust collector,industrial fan,conveyer belt, electric generator ,liquid pump,track saw,miter saws, table saws, power sanders, routers, joiners, planers etc. Max motor rating should not exceed 120V/15A/60Hz, 1800W. Attached two remotes including battery inside,50meters working distance.